Auth bypass in Parse-community Parse-server

CVE-2026-30863

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.10 and 9.5.0-alpha.11, the Google, Apple, and Facebook authentication adapters use JWT verification to validate i…

Vulnerability class: Broken Authentication

EPSS: 0.005 (41.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-30863?
CVE-2026-30863 is a critical-severity vulnerability in Parse-community Parse-server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-03-07.
How severe is CVE-2026-30863?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-30863 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.